Hrv
[医][=heart rate variability]心率变异性
🗣️ 情景例句
I love you.
我爱你。
If you expect to enter the university,you should apply now.
如果你期望进入大学，你现在应该申请。
Hi, Sam! How are you today?
嗨，山姆！你今天好吗？